Welcome to Hack The Flag

Are you ready to dive into the fascinating world of cryptography? Welcome to Hack The Flag (HTF) - an exciting competition that challenges cryptography enthusiasts, puzzle solvers to test their skills against a variety of intriguing ciphers.

What is Hack The Flag?

Hack the Flag is a competition for anyone who likes to solve ciphers. The competition aims to promote the world of cryptography and encourage people to learn more about it.

Why Join the Challenge?

  • 🔐 Test your cryptographic problem-solving abilities
  • ⏱️ Challenge yourself against time-based puzzles
  • 🏆 Compete for points and recognition
  • 📚 Learn new encryption techniques and methodologies
  • 🤝 Join a community of like-minded crypto enthusiasts

How It Works

Each challenge presents you with a unique cipher to crack. Successfully decode the message, and you’ll find a flag in the format <HTF-this_is_flag/>.

Currently you can solve the 2023 challenges, and there are more coming soon, so stay tuned!

For message verification and official communications, our PGP key is available at hacktheflag.net/pgp.

Let’s hack, decode, and conquer! Are you up for the challenge?


Stay tuned for updates, tips, and more information about the competition.